I admit. I have the tendency of blanking family, friends and acquaintances when they justify their behaviors and deny any negative feedback; I refuse to invest my time in premeditated resentments.
Sometimes being happy takes effort. Invest time and energy in yourself and your happiness.
Your "Self" was created in the image and likeness of your creator. How can you believe that your "self" can be improved? Self improvement is contradictory to your creation.